Home / 121,747.09-168,007.75-68,032.55

Finding the Fourth Proportional to 121,747.09, 168,007.75 and 68,032.55

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Solution

The fourth proportional to 121,747.09, 168,007.75 and 68,032.55 is: 93,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,747.09 : 168,007.75 = 68,032.55 : x
  2. Step 2: Convert to fraction form
    121,747.09/168,007.75 = 68,032.55/x
  3. Step 3: Cross multiply
    121,747.09x = 168,007.75 × 68,032.55
  4. Step 4: Simplify right side
    121,747.09x = 11,429,995,652.26
  5. Step 5: Solve for x
    x = 11,429,995,652.26/121,747.09
  6. Step 6: Final answer
    x = 93,883.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.